Comment by realusername

> Then if reversing the kernel is so doable using legitimate means, why ReactOS is still largely stuck in the early 2000’s, coincidentally where the major leaks happened?

Because they don't care or need about the newer MS stuff and also don't have the resources either.

Also they can exploit Microsoft good record of backward compatibility, once you have a good enough lower API compatibility, you can just install a lot of newer MS tech directly on top of it.